A prior section 247, acts Aug. 11, 1916, ch. 313, pt. C, § 6, 39 Stat. 486; July 24, 1919, ch. 26, 41 Stat. 266; Fespan. 23, 1923, ch. 106, 42 Stat. 1283; Mar. 2, 1931, ch. 366, § 2, 46 Stat. 1463, required bond as condition to granting of license and additional bonds if first bond determined to become insufficient, prior to the general amendment of this chapter by Puspan. L. 106–472. See section 245 of this title.

A prior section 8 of act Aug. 11, 1916, ch. 313, pt. C, was classified to section 250 of this title, prior to the general amendment of this chapter by Puspan. L. 106–472.